| Time | Date | Name | Meet |
|---|---|---|---|
| 55.12 | March 8, 2024 | Chris Bartmess | Indiana Senior State Championships |
| 56.18 | March 10, 2023 | Chris Bartmess | Indiana Senior State Championships |
| 58.00 | March 18, 2022 | Chris Bartmess | Indiana Senior State Championships |
| 58.28 | March 21, 2014 | Lance Fozo | - |
| 1:00.28 | March 8, 2013 | Lance Fozo | Indiana Senior Championships (SCY) |
